Title Genres Topics Date (Start) Date (End)
Council Bluffs, Iowa spring 1975 migration report Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1975-03-01 1975-05-31
Iowa Ornithologists' Union, Quarterly field report, and Council Bluffs field notes, winter 1974-1975 Correspondence Field notes Bird watching Birds--Counting Birds--Migration Fringillidae | Finches 1974-12-01 1975-02-28
Field notes, Amaqua Township and Council Bluffs, fall 1974 Correspondence Field notes Bird watching Birds--Migration 1974-08-01 1974-11-30
Iowa Ornithologists' Union, Quarterly field report, fall 1974 Field notes Bird watching Birds--Migration 1974-08-01 1974-11-30
Gladys Black letters to Vernon M. Kleen regarding fall migration and nesting season, 1974 Correspondence Field notes Bird watching Birds--Migration Birds--Nests Habitat (Ecology) Radio and television tower bird strikes 1974-08-01 1974-11-30
Polk County check-list of the observations of members of the Des Moines Audubon Society Checklists Field notes Maps (documents) Bird watching Birds--Migration Birds--Research 1973-11-01 1973-11-30
Iowa Ornithologists' Union, Quarterly field report, fall 1973 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1973-08-01 1973-11-30
Lake Red Rock and Red Rock Refuge, fall migration, 1973 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1973-08-01 1973-11-30
Annotated copy of Polk County check-list of the observations of members of the Des Moines Audubon Society, 1959 Checklists Field notes Maps (documents) Bird watching Birds--Migration Birds--Research 1949-06-05 1973-04-17
Spring migration, Iowa, 1972 Field notes Bird watching Birds--Migration Feathers 1972-03-01 1972-05-31
Spring migration report, Middlewestern Prairie Region, Council Bluffs, Iowa, area (Part of the Omaha Metropolitan Area), 1972 Field notes Bird watching Birds--Migration 1972-03-01 1972-05-31
Field notes from Frederick W. Kent, Iowa City, fall 1971 Field notes Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers 1971-08-01 1971-11-30
Fall migration, Iowa, 1971 Field notes Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Weather 1971-08-01 1971-11-30
Spring migration 1971, Red Rock Refuge and Pleasantville area, Marion County, Iowa Field notes Bird watching Birds--Migration 1971-03-01 1971-05-31
Report from Red Rock Refuge and Lake area, Pleasantville, Iowa, winter season, December 1970-March 1971 Field notes Bird watching Birds--Migration Anseriformes | Ducks, Geese, and Swans Weather 1970-12-01 1971-03-31
Winter censuses, Ames, Iowa, January-March 1971 Field notes Charts (graphic documents) Bird watching Birds--Counting Birds--Migration 1971-01-16 1971-03-07
Audubon field notes, fall 1970 Field notes Bird watching Birds--Migration Weather 1970-08-01 1970-11-30
Compiled supporting documentation for the Iowa Ornithologists' Union, Quarterly field report, Spring 1970. Correspondence Field notes Bird watching Birds--Migration Weather 1970-03-01 1970-06-14
Audubon field notes, fall 1969 Field notes Bird watching Birds--Migration Weather 1969-08-01 1969-11-30
Iowa Ornithologists' Union, Quarterly field report, spring 1968 Field notes Bird watching Birds--Migration 1968-03-01 1968-05-31
Audubon field notes for spring 1967 contributed by Frederick W. Kent Clippings (information artifacts) Correspondence Field notes Bird watchers Bird watching Birds--Migration Birds--Research Parulidae | Warblers 1967-03-01 1967-05-31
Iowa Ornithologists' Union, Quarterly field report, winter 1966 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology Weather 1966-12-01 1967-02-28
Audubon field notes for Iowa, fall 1966 Correspondence Field notes Bird watching Birds--Identification Birds--Migration Birds--Research Ornithology--Methodology Fringillidae | Finches 1966-08-01 1966-11-30
Field notes contributed by Frederick W. Kent for spring 1966 Field notes Bird watching Birds--Migration Birds--Research Anseriformes | Ducks, Geese, and Swans Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Weather 1966-03-01 1966-05-31
Field notes contributed by Frederick W. Kent, fall 1965 Field notes Bird populations Bird watching Birds--Migration Certhiidae | Creepers Sylviidae | Kinglets and Gnatcatchers Weather 1965-08-01 1965-11-30